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          <h1 class="post-title" itemprop="name headline">Android-横竖屏切换</h1>
        

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        <h3 id="Android-横竖屏切换"><a href="#Android-横竖屏切换" class="headerlink" title="Android 横竖屏切换"></a>Android 横竖屏切换</h3><ol>
<li>在配置文件AndroidManifest.xml中配置权限<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;uses-permission android:name=&quot;android.permission.CHANGE_CONFIGURATION&quot;&gt;&lt;/uses-permission&gt;</span><br></pre></td></tr></table></figure>
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<li><p>在配置文件AndroidManifest.xml中的activity接下内配置属性<br><code>android:configChanges=&quot;keyboard|screenSize|orientation|layoutDirection&quot;</code><br>application接下配置如下：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br></pre></td><td class="code"><pre><span class="line">&lt;application</span><br><span class="line">      android:allowBackup=&quot;true&quot;</span><br><span class="line">      android:icon=&quot;@mipmap/ic_launcher&quot;</span><br><span class="line">      android:label=&quot;@string/app_name&quot;</span><br><span class="line">      android:supportsRtl=&quot;true&quot;</span><br><span class="line">      android:theme=&quot;@style/AppTheme&quot;&gt;</span><br><span class="line">    &lt;activity android:name=&quot;.MainActivity&quot;</span><br><span class="line">        android:configChanges=&quot;keyboard|screenSize|orientation|layoutDirection&quot;</span><br><span class="line">        &gt;</span><br><span class="line">      &lt;intent-filter&gt;</span><br><span class="line">        &lt;action android:name=&quot;android.intent.action.MAIN&quot; /&gt;</span><br><span class="line"></span><br><span class="line">        &lt;category android:name=&quot;android.intent.category.LAUNCHER&quot; /&gt;</span><br><span class="line">      &lt;/intent-filter&gt;</span><br><span class="line">    &lt;/activity&gt;</span><br><span class="line">  &lt;/application&gt;</span><br></pre></td></tr></table></figure>
</li>
<li><p>在相应的Activity中重写onConfigurationChanged方法，在此方法中获取屏幕的信息。</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br></pre></td><td class="code"><pre><span class="line">  public void HalfScreen(View view) &#123;</span><br><span class="line">    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  public void FullScreen(View view) &#123;</span><br><span class="line">    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);</span><br><span class="line">  &#125;</span><br><span class="line">@Override public void onConfigurationChanged(Configuration newConfig) &#123;</span><br><span class="line">    super.onConfigurationChanged(newConfig);</span><br><span class="line">    Log.e(TAG, &quot;onConfigurationChanged: &quot;);</span><br><span class="line">    //newConfig.orientation获得当前屏幕状态是横向或者竖向</span><br><span class="line">    //Configuration.ORIENTATION_PORTRAIT 表示竖向</span><br><span class="line">    //Configuration.ORIENTATION_LANDSCAPE 表示横屏</span><br><span class="line">    if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) &#123;</span><br><span class="line">      Toast.makeText(MainActivity.this, &quot;现在是竖屏&quot;, Toast.LENGTH_SHORT).show();</span><br><span class="line">      setContentView(R.layout.activity_main);// 竖屏时显示的布局</span><br><span class="line">    &#125;</span><br><span class="line">    if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) &#123;</span><br><span class="line">      Toast.makeText(MainActivity.this, &quot;现在是横屏&quot;, Toast.LENGTH_SHORT).show();</span><br><span class="line">      setContentView(R.layout.activity_main1);// 横屏时显示的布局</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br></pre></td></tr></table></figure>
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<p><a href="http://git.oschina.net/zaitingma/codes/jy25g8lk1whitxbcu70q393" target="_blank" rel="noopener">代码下载</a></p>

      
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